﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using CARE;

namespace CARE
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
            this.loginContainer.Child = new LoginControl();
            RiaContext.Current.Authentication.LoggedIn += new System.EventHandler<System.Windows.Ria.ApplicationServices.AuthenticationEventArgs>(Authentication_LoggedIn);
            RiaContext.Current.Authentication.LoggedOut += new System.EventHandler<System.Windows.Ria.ApplicationServices.AuthenticationEventArgs>(Authentication_LoggedOut);
            RiaContext.Current.Authentication.LoadUser();
			
        }

        // After the Frame navigates, ensure the HyperlinkButton representing the current page is selected
        private void ContentFrame_Navigated(object sender, NavigationEventArgs e)
        {   
            foreach (UIElement child in LinksStackPanel.Children)
            {
                HyperlinkButton hb = child as HyperlinkButton;
                if (hb != null && hb.NavigateUri != null)
                {
                    if (hb.NavigateUri.ToString().Equals(e.Uri.ToString()))
                    {
                        VisualStateManager.GoToState(hb, "ActiveLink", true);
                    }
                    else
                    {
                        VisualStateManager.GoToState(hb, "InactiveLink", true);
                    }
                }
            }

        }
 

        // If an error occurs during navigation, show an error window
        private void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            e.Handled = true;
            ChildWindow errorWin = new ErrorWindow(e.Uri);
            errorWin.Show();
        }

        public void LogIn()
        {
            Link3.Visibility = Visibility.Visible;
            Divider2.Visibility = Visibility.Visible;
        }

        public void LogOut()
        {
            Link3.Visibility = Visibility.Collapsed;
            Divider2.Visibility = Visibility.Collapsed;
        }

        private void Authentication_LoggedIn(object sender, System.Windows.Ria.ApplicationServices.AuthenticationEventArgs e)
        {
        	// TODO: Add event handler implementation here.
            LogIn();
        }

        private void Authentication_LoggedOut(object sender, System.Windows.Ria.ApplicationServices.AuthenticationEventArgs e)
        {
        	// TODO: Add event handler implementation here.
            LogOut();
        }
    }
}